Ng, Y. K. Application of energy audit to improve energy efficiency, costs and carbon emissions in commercial testing laboratories.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ng, Yean Kai. Application of Energy Audit to Improve Energy Efficiency, Costs and Carbon Emissions in Commercial Testing Laboratories.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ng, Yean Kai. Application of Energy Audit to Improve Energy Efficiency, Costs and Carbon Emissions in Commercial Testing Laboratories.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.